Currency Menu, welcome to the USD ARS history summary. Dollar is the currency most used in international transactions. Country: Argentina, region: South America, sub-Unit: 1 Peso 100 centavo, symbol:. Dollar as their official currency, and many others allow it to be used in a de facto capacity. After a string of reports from Ford ibank forex (F) and Tesla (nasdaq:tsla) that beat. Thursday.47553 ARS 11/7/2018, wednesday.65519 ARS 11/6/2018, tuesday.59774 ARS 11/5/2018, monday.62634 ARS 11/4/2018, sunday.46833 ARS 11/2/2018, friday.48151 ARS 11/1/2018, thursday.68247 ARS 10/31/2018.